Structural models for yttrium aluminium borate laser glasses: NMR and EPR studies of the system '('Y IND. 2''O IND. 3') IND. 0.2'-'('Al IND. 2''O IND. 3') IND. x'-'(B IND. 2''O IND. 3') IND. 0.8-x' - Deters, Heinz; Lima, José Fernando de; Magon, Claudio José; de Camargo, Andrea Simone Stucchi (Physical Chemistry Chemical Physics, 2011)